spark: DirectFB is not used

Makefile.am

@@ -9,7 +9,12 @@ libstb_hal_a_LIBADD = \
 libstb_hal_test_SOURCES = libtest.cpp
 libstb_hal_test_LDADD = \
 	libstb-hal.a \
+	-lpthread
+
+if BOXTYPE_TRIPLE
+libstb_hal_test_LDADD += \
 	@DIRECTFB_LIBS@
+endif
 
 # there has to be a better way to do this...
 if BOXTYPE_TRIPLE

configure.ac

@@ -14,7 +14,9 @@ AC_DISABLE_STATIC
 AC_SYS_LARGEFILE
 AM_PROG_LIBTOOL
 
-TUXBOX_APPS_LIB_PKGCONFIG(DIRECTFB, directfb)
+if test x"$BOXTYPE" = x"tripledragon"; then
+	TUXBOX_APPS_LIB_PKGCONFIG(DIRECTFB, directfb)
+fi
 
 AC_OUTPUT([
 Makefile

libspark/Makefile.am

@@ -1,10 +1,10 @@
 INCLUDES = \
-	-I$(top_srcdir)/common \
-	@DIRECTFB_CFLAGS@
+	-I$(top_srcdir)/common
 
 noinst_LIBRARIES = libspark.a
 
 AM_CXXFLAGS = -fno-rtti -fno-exceptions -fno-strict-aliasing
+AM_LDFLAGS = -lpthread
 
 libspark_a_SOURCES = \
 	irmp.c \
@@ -19,4 +19,3 @@ libspark_a_SOURCES = \
 	record.cpp
 
 AM_CPPFLAGS = -DF_INTERRUPTS=20000 -DIRMP_EMBED -DLIRC_IRMP
-